Apparently, this user prefers to keep an air of mystery about them.
14 Does ZF imply a weak version of Hahn-Banach? Aug 16 '13
6 Finding non convex functions satisfying a weak form of convexity, without the axiom of choice Nov 29 '15
3 Does this PDE have a name? Jul 18
3 Reference request: learn measure theory for PDEs Jul 22 '13